Your library, organized
Useful nutrition, without the fuss
More protein.Less spending.
Compare foods by protein and price, log your meals and reach your goal while keeping track of what you spend.
Free. No card needed.Web and AndroidYour data stays yours
See how it works
Your protein, your meals and your budget. All in one place.
Real data
The foods with the most protein per euro
A ranking built from real supermarket prices. The data speaks for itself.
- 1
LENTEJA PARDINA
Hacendado · mercadona
132 g/€
€1.85 · 25 g protein/100 g
- 2
Lentejas
CENTROS COMERCIALES CARREFOUR S.A. · carrefour
130 g/€
€1.85 · 24 g protein/100 g
- 3
Macarrónes
Carrefour · carrefour
109 g/€
€1.10 · 12 g protein/100 g
- 4
Macarrón Penne Rayado Rigate
Hacendado · mercadona
81 g/€
€0.80 · 13 g protein/100 g
- 5
Arroz Redondo
Hacendado · mercadona
71 g/€
€1.15 · 8 g protein/100 g
- 6
Leche desnatada filtrada
Celta · carrefour
61 g/€
€1.65 · 10 g protein/100 g
- 7
Salchichas Frankfurt
Hacendado · mercadona
45 g/€
€1.80 · 12 g protein/100 g
- 8
Clara de huevo ovo pasteurizadas
Güilén · mercadona
39 g/€
€2.85 · 11 g protein/100 g
Real prices from Mercadona and Consum (Spain)
Everything that matters
From food label to smarter choice.
A fast way to connect what you eat, what it costs, and what you want to achieve.
The app, up close
Your whole progress fits in your pocket.
Browse products, understand your stats, and log meals with a little help from AI.
Progress you can understand
One photo, fewer calculations
Simple from day one
Three steps. Zero spreadsheets.
Add what you eat
Search, scan, or capture a meal without slowing down your day.
See what it delivers
Protein, energy, and cost appear together and in context.
Adjust and repeat
Spot your best choices and improve a little every week.
Common questions
Frequently asked questions about protein and price
- What is the protein-per-euro ratio?
- It is how much protein you get for every euro you spend. ProteinValue combines each food's nutrition data with its price at your supermarket, so you can compare products with a single objective number.
- Which foods have the most protein per euro?
- Legumes, eggs, canned tuna, plain yogurt and chicken breast usually top the ranking. ProteinValue keeps it updated with real prices from your store.
- How do I log a meal?
- Search for the food, scan its barcode, or take a photo of your plate and the AI estimates protein and calories. Logging takes seconds, no spreadsheets needed.
- Is ProteinValue free?
- Yes. You can create an account and use the essential features without a card. A Pro plan with expanded AI estimates is available if you need it.
- How reliable is the nutrition data?
- Product data comes from Open Food Facts and official labels, and store prices are refreshed periodically. AI estimates are approximate and worth reviewing.
Your next shop can go further
Make every meal work toward your goal.
Start with the essentials and discover how much nutrition improves when cost becomes part of the equation.